I get this error when i try to execute the folowing code (Test,
Section, Question, Answer are mepped tables):
test = Test()
section = Section()
section.Test=test
for i in range(60):
q=Question()
q.Section=section
for j in range(6)
a = Answer()
a.Question = q
db_session.save(test)
db_session.commit() <---- this command generates the error, and only
if the number of Questions is above cca. 45
But if I do a first commit before the "for i", and one commit after
each question has been created then no error is generated. Is this a
big in SQLAlchemy?
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/unitofwork.py", line 930, in execute
self.execute_save_steps(trans, task)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/unitofwork.py", line 947, in execute_save_steps
self.execute_per_element_childtasks(trans, task, False)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/unitofwork.py", line 970, in
execute_per_element_childtasks
self.execute_element_childtasks(trans, element, isdelete)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/unitofwork.py", line 974, in execute_element_childtasks
self.execute(trans, [child], isdelete)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/unitofwork.py", line 930, in execute
self.execute_save_steps(trans, task)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/unitofwork.py", line 945, in execute_save_steps
self.save_objects(trans, task)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/unitofwork.py", line 936, in save_objects
task.mapper._save_obj(task.polymorphic_tosave_objects, trans)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/orm/mapper.py", line 1161, in _save_obj
c = connection.execute(statement.values(value_params), params)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/engine/base.py", line 844, in execute
return Connection.executors[c](self, object, multiparams, params)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/engine/base.py", line 895, in execute_clauseelement
return self._execute_compiled(elem.compile(dialect=self.dialect,
column_keys=keys, inline=len(params) > 1), distilled_params=params)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/sql/expression.py", line 1132, in compile
compiler.compile()
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/sql/compiler.py", line 181, in compile
self.string = self.process(self.statement)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/sql/compiler.py", line 189, in process
return meth(obj, **kwargs)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/databases/postgres.py", line 712, in visit_insert
text = super(PGCompiler, self).visit_insert(insert_stmt)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/sql/compiler.py", line 598, in visit_insert
colparams = self._get_colparams(insert_stmt)
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/sql/compiler.py", line 674, in _get_colparams
values.append((c, create_bind_param(c, None)))
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/sql/compiler.py", line 634, in create_bind_param
return self.bindparam_string(self._truncate_bindparam(bindparam))
File "/usr/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/
sqlalchemy/sql/compiler.py", line 440, in bindparam_string
return self.bindtemplate % {'name':name,
'position':len(self.positiontup)}
RuntimeError: maximum recursion depth exceeded
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